Perhaps you should try some spelling variations:
sach tri » sach tai, sach tren, sach truc
tri nang » thi nang, tra nang, tri bang
vien cac » vien bach, vien dai, vien da
te sach » toc sach
nang xa » nang x, lang xa, nang ma
va danh » va dinh, va dan, va hanh
danh va » doanh va, hanh va, anh va
ve cac » va cac
xuc va » duc va, tuc va, luc va
va qua » va quan, va quy, va quang

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: te sach tri nang xa hoi. hieu ((ve cac) or (vien cac)) xuc va danh va qua su~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach tri nang xa hoi. hieu ((ve cac) OR (vien cac)) xuc va danh va qua su.
• Adding a wildcard symbol may retrieve word variants: te sach tri nang xa hoi. hieu ((ve cac) or (vien cac)) xuc va danh va qua su*.